Finding the Fourth Proportional to 2,105,162.98, 3,158,134.03 and 666,208.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,162.98 : 3,158,134.03 = 666,208.56 : x
2. Step 2: Convert to fraction form
   2,105,162.98/3,158,134.03 = 666,208.56/x
3. Step 3: Cross multiply
   2,105,162.98x = 3,158,134.03 × 666,208.56
4. Step 4: Simplify right side
   2,105,162.98x = 2,103,975,924,413.30
5. Step 5: Solve for x
   x = 2,103,975,924,413.30/2,105,162.98
6. Step 6: Final answer
   x = 999,436.12